AMD Radeon HD 7870 GHz Edition vs AMD Radeon RX 6600 XT
GPU Specs Compare
Graphics Card
Release Date
Mar 2012
Jul 2021
Generation
Southern Islands
Navi II
Type
Desktop
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 4.0 x8
Clock Speeds
Memory Clock
1200 MHz
2000 MHz
Base Clock
-
1968 MHz
Boost Clock
-
2589 MHz
Memory
Memory Size
2GB
8GB
Memory Type
GDDR5
GDDR6
Memory Bus
256bit
128bit
Bandwidth
153.6GB/s
256.0GB/s
Render Config
Compute Units
20
32
Shading Units
1280
2048
TMUs
80
128
ROPs
32
64
L1 Cache
16 KB (per CU)
128 KB per Array
L2 Cache
512 KB
2 MB
RT Cores
-
32
L3 Cache
-
32 MB
Theoretical Performance
Pixel Rate
32.00 GPixel/s
165.7 GPixel/s
Texture Rate
80.00 GTexel/s
331.4 GTexel/s
FP32 (float)
2.560 TFLOPS
10.60 TFLOPS
FP64 (double)
160.0 GFLOPS
662.8 GFLOPS
FP16 (half)
-
21.21 TFLOPS
Graphics Processor
GPU Name
Pitcairn
Navi 23
GPU Variant
Pitcairn XT(215-0828047)
Navi 23 XT(215-130000006)
Architecture
GCN 1.0
RDNA 2.0
Foundry
TSMC
TSMC
Process Size
28 nm
7 nm
Transistors
2.8 billion
11.06 billion
Die Size
212 mm²
237 mm²
Board Design
TDP
175W
160W
Suggested PSU
450 W
450 W
Outputs
1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
1x HDMI 2.13x DisplayPort 1.4a
Power Connectors
2x 6-pin
1x 8-pin
Graphics Features
DirectX
12 (11_1)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
1.2
2.1
Vulkan
1.2
1.3
Shader Model
5.1
6.7
📊 Benchmark
3DMark Time Spy
-
9,656
3DMark Time Spy Extreme
-
4,399
3DMark Speed Way
-
1,675
Battlefield 5 1080p
-
144
Shadow of the Tomb Raider 2160p
-
38
Cyberpunk 2077 2160p
-
29
Shadow of the Tomb Raider 1440p
-
72
Cyberpunk 2077 1440p
-
36
Shadow of the Tomb Raider 1080p
-
119
Battlefield 5 2160p
-
58
Blender
-
1,213
Cyberpunk 2077 1080p
-
58
Battlefield 5 1440p
-
111
GTA 5 2160p
-
61
GTA 5 1440p
-
82
GTA 5 1080p
-
149