AMD Radeon HD 7990 Dual GPU Review

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AMD's fastest GPU reviewed by ModCrash!

AMD Radeon Hd 7990 GPU

I’ve had my AMD Radeon HD 7990 for awhile now and it wasn’t until Mantle came out with the AMD Catalyst 14.1 beta drivers did I really want to take it for a test drive. Equipped with the new beta drivers and wanting to see how far I could push my GPU I started doing the testing. Now this review is way off from when the Radeon HD 7990 first debuted. While depending on the game you are playing, the AMD Radeon HD 7990 is the fastest single card on the market. With Mantle it just will further help AMD and keep my GPU on top until a NVIDIA 790 or dual 290X card comes to market. I have used this GPU to play old games, new games, and even tested to see how well it could mine cryptocurrencies. The AMD Radeon HD 7990 used for the testing is the reference model designed by AMD. For the benchmarks and test I left the Radeon HD 7990 at factory clock speeds as well as the other components in the test system. The HD 7990 handled everything I threw at it from stress test to playing on ultra settings in Battlefield 4. When watching the actually testing going I could see frame rates dipping into the single digits but only for a second. While 99% of the time everything ran pretty smooth I did encounter a couple issues. The first being artifacts in game and random freezing. I assume both of these issues are from the Catalyst 14.1 beta drivers.

AMD Radeon Hd 7990 GPU

AMD Radeon HD 7990 GPU

AMD Radeon HD 7990 Specs & Features

Engine Clock 950MHz (Up to 1.0GHz with boost)
Memory 6GB GDDR5
Memory Clock 1500MHz (6.0 Gbps GDDR5
Memory Bandwidth 288GB/s (maximum)
GCN Architecture 8.2 TFLOPs
Bus Interface 64 compute units (4096 stream processors) 256 texture units 256 z/stencil ROP units 64 color ROP units Quad geometry units Quad Asynchronous Compute Engines (ACE)
Graphics Full DirectX® 11.2 capability Ninth generation programmable hardware tessellation units Shader Model 5.0 DirectCompute 11 Accelerated multi-threading HDR texture compression Order-independent transparency
OpenGL 4.2 Support Yes
Partially Resident Textures Ultra high-resolution texture streaming technology
Image Quality Enhancement Technology Up to 24x multi-sample and super-sample anti-aliasing modes Adaptive anti-aliasing Morphological Anti-Aliasing (MLAA) 2.0 DirectX® 9/10/11 Super Sample Anti-Aliasing (SSAA) Automatic LOD adjustment (Requires AMD Catalyst™ 12.4 or higher) 16x angle independent anisotropic texture filtering 128-bit floating point HDR rendering
Cutting-Edge Integrated Display Support DisplayPort 1.2 Maximum resolution: 4096×2160 @ 60 Hz per display Multi-stream o 21.6 Gbps bandwidth (HBR2) High bit-rate audio Quad HD/4K/UHDTV display support 1080p60 stereoscopic 3D (Frame Sequential Format) HDMI® (With 4K, 3D, x.v.Color™ and Deep Color) Maximum resolution: 4096×2160 @ 30 Hz 1080p30 stereoscopic 3D (Packed Frame Format) Quad HD/4K/UHDTV video display support Dual-link DVI with HDCP Maximum resolution: 2560×1600 VGA Maximum resolution: 2048×1536
Integrated HD audio controller Output protected high bit rate 7.1 channel surround sound over HDMI with no additional cables required Supports AC-3, AAC, Dolby TrueHD and DTS Master Audio™ formats
AMD Technologies AMD Eyefinity, AMD App Acceleration, AMD HD3D, AMD Crossfire, AMD PowerTune, AMD ZeroCore Power


Head over to the next page and look at the results from the benchmarks and test we ran using the AMD Radeon HD 7990 GPU!

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