AMD Radeon RX 7900 GRE vs AMD Radeon HD 6870 1600SP Edition
GPU · Specs Compare
Graphics Card
Release Date
Jul 2023
Jan 2013
Generation
Navi III
Northern Islands
Type
Desktop
Desktop
Bus Interface
PCIe 4.0 x16
PCIe 2.0 x16
Clock Speeds
Base Clock
1287 MHz
—
Boost Clock
2245 MHz
—
Memory Clock
2250 MHz
1050 MHz
Memory
Memory Size
16GB
1024MB
Memory Type
GDDR6
GDDR5
Memory Bus
256bit
256bit
Bandwidth
576.0GB/s
134.4GB/s
Render Config
Compute Units
80
20
Shading Units
5120
1600
TMUs
320
80
ROPs
160
32
RT Cores
80
—
L1 Cache
256 KB per Array
8 KB (per CU)
L2 Cache
6 MB
512 KB
L3 Cache
64 MB
—
Theoretical Performance
Pixel Rate
359.2 GPixel/s
27.20 GPixel/s
Texture Rate
718.4 GTexel/s
68.00 GTexel/s
FP16 (half)
91.96 TFLOPS
—
FP32 (float)
45.98 TFLOPS
2.720 TFLOPS
FP64 (double)
1436.8 GFLOPS
544.0 GFLOPS
Graphics Processor
GPU Name
Navi 31
Cypress
GPU Variant
Navi 31 XL(215-145000206)
Cypress XT(215-0735033)
Architecture
RDNA 3.0
TeraScale 2
Foundry
TSMC
TSMC
Process Size
5 nm
40 nm
Transistors
57.7 billion
2.154 billion
Die Size
529 mm²
334 mm²
Board Design
TDP
260W
175W
Suggested PSU
600 W
450 W
Outputs
1x HDMI 2.1a2x DisplayPort 2.11x USB Type-C
2x DVI1x HDMI 1.3a2x mini-DisplayPort 1.1
Power Connectors
2x 8-pin
2x 6-pin
Graphics Features
DirectX
12 Ultimate (12_2)
11.2 (11_0)
OpenGL
4.6
4.4
OpenCL
2.2
1.2
Vulkan
1.3
N/A
Shader Model
6.8
5.0
Benchmark
3DMark Time Spy
22,476
—
3DMark Time Spy Extreme
10,591
—
3DMark Speed Way
4,417
—
Cyberpunk 2077 2160p
40
—
Cyberpunk 2077 1440p
88
—
Blender
3,114
—
Cyberpunk 2077 1080p
130
—
▲ Specs Compare
Data sourced from official specifications and benchmark tests.