Radeon HD 6990 vs Radeon RX 5700
We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 6990 and 8GB VRAM Radeon RX 5700 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
Radeon RX 5700 's Advantages
Released 8 years and 4 months late
Boost Clock1725MHz
More VRAM (8GB vs 2GB)
Larger VRAM bandwidth (448.0GB/s vs 160.0GB/s)
768 additional rendering cores
Lower TDP (180W vs 375W)
Score
Benchmark
FP32 (float)
Radeon HD 6990
2550
Radeon RX 5700
+211%
7949
Graphics Card
Mar 2011
Release Date
Jul 2019
Northern Islands
Generation
Navi
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 4.0 x16
Clock Speeds
-
Base Clock
1465 MHz
-
Boost Clock
1725 MHz
1250 MHz
Memory Clock
1750 MHz
Memory
2GB
Memory Size
8GB
GDDR5
Memory Type
GDDR6
256bit
Memory Bus
256bit
160.0GB/s
Bandwidth
448.0GB/s
Render Config
24
Compute Units
36
1536
Shading Units
2304
96
TMUs
144
32
ROPs
64
8 KB (per CU)
L1 Cache
-
512 KB
L2 Cache
4 MB
Theoretical Performance
26.56 GPixel/s
Pixel Rate
110.4 GPixel/s
79.68 GTexel/s
Texture Rate
248.4 GTexel/s
-
FP16 (half)
15.90 TFLOPS
2.550 TFLOPS
FP32 (float)
7.949 TFLOPS
637.4 GFLOPS
FP64 (double)
496.8 GFLOPS
Board Design
375W
TDP
180W
750 W
Suggested PSU
450 W
1x DVI
4x mini-DisplayPort 1.2
Outputs
1x HDMI 2.0b
3x DisplayPort 1.4a
2x 8-pin
Power Connectors
1x 6-pin + 1x 8-pin
Graphics Processor
Antilles
GPU Name
Navi 10
Antilles XT
(215-0807027)
GPU Variant
Navi 10 XL
(215-0917220)
TeraScale 3
Architecture
RDNA 1.0
TSMC
Foundry
TSMC
40 nm
Process Size
7 nm
2.64 billion
Transistors
10.3 billion
389 mm²
Die Size
251 mm²
Graphics Features
11.2 (11_0)
DirectX
12 (12_1)
4.4
OpenGL
4.6
1.2
OpenCL
2.1
N/A
Vulkan
1.3
5.0
Shader Model
6.8
