AMD Radeon RX Vega Nano vs AMD Radeon HD 6990
GPU Specs Compare
Graphics Card
Release Date
Unknown
Mar 2011
Generation
Vega
Northern Islands
Type
Desktop
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 2.0 x16
Clock Speeds
Base Clock
1247 MHz
-
Boost Clock
1546 MHz
-
Memory Clock
800 MHz
1250 MHz
Memory
Memory Size
8GB
2GB
Memory Type
HBM2
GDDR5
Memory Bus
2048bit
256bit
Bandwidth
409.6GB/s
160.0GB/s
Render Config
Compute Units
64
24
Shading Units
4096
1536
TMUs
256
96
ROPs
64
32
L1 Cache
16 KB (per CU)
8 KB (per CU)
L2 Cache
4 MB
512 KB
Theoretical Performance
Pixel Rate
98.94 GPixel/s
26.56 GPixel/s
Texture Rate
395.8 GTexel/s
79.68 GTexel/s
FP32 (float)
12.66 TFLOPS
2.550 TFLOPS
FP64 (double)
791.6 GFLOPS
637.4 GFLOPS
Graphics Processor
GPU Name
Vega 10
Antilles
GPU Variant
Vega 10 XT(215-0894200)
Antilles XT(215-0807027)
Architecture
GCN 5.0
TeraScale 3
Foundry
GlobalFoundries
TSMC
Process Size
14 nm
40 nm
Transistors
12.5 billion
2.64 billion
Die Size
495 mm²
389 mm²
Board Design
TDP
175W
375W
Suggested PSU
450 W
750 W
Outputs
1x HDMI 2.0b3x DisplayPort 1.4a
1x DVI4x mini-DisplayPort 1.2
Power Connectors
1x 8-pin
2x 8-pin
Graphics Features
DirectX
12 (12_1)
11.2 (11_0)
OpenGL
4.6
4.4
OpenCL
2.1
1.2
Vulkan
1.2
N/A
Shader Model
6.4
5.0