Product Compare

AMD Radeon R9 M295X vs AMD Radeon HD 8990 OEM

GPU GPU
Graphics Card
Release Date Nov 2014 Apr 2013
Generation Crystal System Sea Islands
Type Mobile Desktop
Bus Interface MXM-B (3.0) PCIe 3.0 x16
Clock Speeds
Memory Clock 1250 MHz 1500 MHz
Base Clock 950 MHz
Boost Clock 1000 MHz
Memory
Memory Size 4GB 3GB
Memory Type GDDR5 GDDR5
Memory Bus 256bit 384bit
Bandwidth 160.0GB/s 288.0GB/s
Render Config
Compute Units 32 32
Shading Units 2048 2048
TMUs 128 128
ROPs 32 32
L1 Cache 16 KB (per CU) 16 KB (per CU)
L2 Cache 512 KB 768 KB
Theoretical Performance
Pixel Rate 23.14 GPixel/s 32.00 GPixel/s
Texture Rate 92.54 GTexel/s 128.0 GTexel/s
FP16 (half) 2.961 TFLOPS
FP32 (float) 2.961 TFLOPS 4.096 TFLOPS
FP64 (double) 185.1 GFLOPS 1024 GFLOPS
Graphics Processor
GPU Name Amethyst Malta
GPU Variant Amethyst XT Malta XT(215-0849026)
Architecture GCN 3.0 GCN 1.0
Foundry TSMC TSMC
Process Size 28 nm 28 nm
Transistors 5 billion 4.313 billion
Die Size 366 mm² 365 mm²
Board Design
TDP 250W 375W
Outputs No outputs 1x DVI4x mini-DisplayPort 1.2
Power Connectors None 2x 8-pin
Suggested PSU 750 W
Graphics Features
DirectX 12 (12_0) 12 (11_1)
OpenGL 4.6 4.6
OpenCL 2.0 1.2
Vulkan 1.2 1.2
Shader Model 6.3 5.1