NVIDIA GeForce RTX 2080 vs AMD Radeon HD 6990
We compared two Desktop platform GPUs: 8GB VRAM GeForce RTX 2080 and 2GB VRAM Radeon HD 6990 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA GeForce RTX 2080 's Advantages
Released 7 years and 6 months late
Boost Clock1710MHz
More VRAM (8GB vs 2GB)
Larger VRAM bandwidth (448.0GB/s vs 160.0GB/s)
1408 additional rendering cores
Lower TDP (215W vs 375W)
Score
Benchmark
FP32 (float)
GeForce RTX 2080
+294%
10.07 TFLOPS
Radeon HD 6990
2.55 TFLOPS
Graphics Card
Sep 2018
Release Date
Mar 2011
GeForce 20
Generation
Northern Islands
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
1515 MHz
Base Clock
-
1710 MHz
Boost Clock
-
1750 MHz
Memory Clock
1250 MHz
Memory
8GB
Memory Size
2GB
GDDR6
Memory Type
GDDR5
256bit
Memory Bus
256bit
448.0GB/s
Bandwidth
160.0GB/s
Render Config
-
Compute Units
24
46
SM Count
-
2944
Shading Units
1536
184
TMUs
96
64
ROPs
32
368
Tensor Cores
-
46
RT Cores
-
64 KB (per SM)
L1 Cache
8 KB (per CU)
4 MB
L2 Cache
512 KB
-
-
-
Theoretical Performance
109.4 GPixel/s
Pixel Rate
26.56 GPixel/s
314.6 GTexel/s
Texture Rate
79.68 GTexel/s
20.14 TFLOPS
FP16 (half)
-
10.07 TFLOPS
FP32 (float)
2.550 TFLOPS
314.6 GFLOPS
FP64 (double)
637.4 GFLOPS
Board Design
215W
TDP
375W
550 W
Suggested PSU
750 W
1x HDMI 2.0
3x DisplayPort 1.4a
1x USB Type-C
Outputs
1x DVI
4x mini-DisplayPort 1.2
1x 6-pin + 1x 8-pin
Power Connectors
2x 8-pin
Graphics Processor
TU104
GPU Name
Antilles
TU104-400A-A1
GPU Variant
Antilles XT
(215-0807027)
Turing
Architecture
TeraScale 3
TSMC
Foundry
TSMC
12 nm
Process Size
40 nm
13.6 billion
Transistors
2.64 billion
545 mm²
Die Size
389 mm²
Graphics Features
12 Ultimate (12_2)
DirectX
11.2 (11_0)
4.6
OpenGL
4.4
3.0
OpenCL
1.2
1.3
Vulkan
N/A
7.5
CUDA
-
6.6
Shader Model
5.0
