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GPU Comparison
AMD Radeon HD 6990 vs AMD Radeon RX Vega 64 Liquid Cooling
AMD Radeon HD 6990 vs AMD Radeon RX Vega 64 Liquid Cooling
VS
AMD Radeon HD 6990
AMD Radeon RX Vega 64 Liquid Cooling
We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 6990 and 8GB VRAM Radeon RX Vega 64 Liquid Cooling to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon RX Vega 64 Liquid Cooling 's Advantages
Released 6 years and 5 months late
Boost Clock1677MHz
More VRAM (8GB vs 2GB)
Larger VRAM bandwidth (483.8GB/s vs 160.0GB/s)
2560 additional rendering cores
Lower TDP (345W vs 375W)
Score
Benchmark
FP32 (float)
Radeon HD 6990
2.55 TFLOPS
Radeon RX Vega 64 Liquid Cooling
+438%
13.74 TFLOPS
Radeon HD 6990
VS
Radeon RX Vega 64 Liquid Cooling
Graphics Card
Mar 2011
Release Date
Aug 2017
Northern Islands
Generation
Vega
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
-
Base Clock
1406 MHz
-
Boost Clock
1677 MHz
1250 MHz
Memory Clock
945 MHz
Memory
2GB
Memory Size
8GB
GDDR5
Memory Type
HBM2
256bit
Memory Bus
2048bit
160.0GB/s
Bandwidth
483.8GB/s
Render Config
24
Compute Units
64
-
-
-
1536
Shading Units
4096
96
TMUs
256
32
ROPs
64
-
-
-
-
-
-
8 KB (per CU)
L1 Cache
16 KB (per CU)
512 KB
L2 Cache
4 MB
-
-
-
Theoretical Performance
26.56 GPixel/s
Pixel Rate
107.3 GPixel/s
79.68 GTexel/s
Texture Rate
429.3 GTexel/s
-
FP16 (half)
27.48 TFLOPS
2.550 TFLOPS
FP32 (float)
13.74 TFLOPS
637.4 GFLOPS
FP64 (double)
858.6 GFLOPS
Board Design
375W
TDP
345W
750 W
Suggested PSU
700 W
1x DVI 4x mini-DisplayPort 1.2
Outputs
1x HDMI 2.0b 3x DisplayPort 1.4a
2x 8-pin
Power Connectors
2x 8-pin
Graphics Processor
Antilles
GPU Name
Vega 10
Antilles XT (215-0807027)
GPU Variant
Vega 10 XTX
TeraScale 3
Architecture
GCN 5.0
TSMC
Foundry
GlobalFoundries
40 nm
Process Size
14 nm
2.64 billion
Transistors
12.5 billion
389 mm²
Die Size
495 mm²
Graphics Features
11.2 (11_0)
DirectX
12 (12_1)
4.4
OpenGL
4.6
1.2
OpenCL
2.1
N/A
Vulkan
1.2
-
-
-
5.0
Shader Model
6.4
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